Given two impedance phasors (Z₁=72/∠ 22⁰kΩ) and (Z₂=57/∠ 15⁰kΩ), find the resultant phasor.
a. (54.2 + 24.7j)
b. (87.4 + 37.2j)
c. (64.8 + 17.6j)
d. (72.3 + 22.1j)